-14.9% is the change from 980 to 834
Calculation steps:
[( 834 - 980 ) ÷ 980] x 100 = -14.9%
Formula
Percentage change = [(834 - 980) / 980] x 100
Subtract the new number by the original number
834 - 980 = -146
-146 ÷ 980 = -0.1489795918367347
-0.1489795918367347 x 100 = -14.9%